:root {
  --bg: #0b0d10;
  --fg: #e7ebf0;
  --dim: #8b96a5;
  --accent: #d9a441;
  --line: #1e242c;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

#canvas {
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
  background: var(--bg);
}

/* ── Boot splash ─────────────────────────────────────────────────────────── */
#boot {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 50% 35%, #161b22 0%, #07090b 70%);
  z-index: 10;
  transition: opacity 320ms ease;
}

#boot.boot-hidden {
  opacity: 0;
  pointer-events: none;
}

.boot-card {
  width: min(460px, 82vw);
  text-align: center;
}

.boot-mark {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  border: 1px solid var(--accent);
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--accent);
}

.boot-card h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.4px;
}

.boot-sub {
  margin: 6px 0 22px;
  color: var(--dim);
  font-size: 13px;
  letter-spacing: 0.3px;
}

.boot-bar {
  height: 3px;
  background: var(--line);
  border-radius: 2px;
  overflow: hidden;
}

#boot-progress {
  height: 100%;
  width: 4%;
  background: var(--accent);
  transition: width 200ms ease;
}

#boot-status {
  margin: 14px 0 0;
  font-size: 12px;
  color: var(--dim);
  min-height: 16px;
}

.boot-legal {
  margin-top: 28px;
  font-size: 11px;
  line-height: 1.5;
  color: #5b6673;
}

/* ── Fatal error ─────────────────────────────────────────────────────────── */
#fatal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: #0a0c0f;
  z-index: 20;
}

#fatal[hidden], #log[hidden] {
  display: none;
}

.fatal-card {
  width: min(620px, 86vw);
}

.fatal-card h2 {
  margin: 0 0 14px;
  font-size: 18px;
  color: #ff7a7a;
}

.fatal-card pre {
  margin: 0;
  padding: 14px;
  max-height: 40vh;
  overflow: auto;
  background: #11151a;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 12px;
  line-height: 1.45;
  white-space: pre-wrap;
  color: #c8d1dc;
}

code {
  background: #151a20;
  padding: 1px 4px;
  border-radius: 3px;
}

/* ── Game page additions ───────────────────────────────────────────────── */
#boot-checks {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  text-align: left;
  font-size: 13px;
}
#boot-checks li { margin: 4px 0; }
#boot-checks li.ok { color: #7bd88f; }
#boot-checks li.bad { color: #ff7b7b; }
#log {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: 40%;
  overflow: auto;
  margin: 0;
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0.85);
  color: #cfd6df;
  font: 12px/1.4 ui-monospace, Menlo, monospace;
  white-space: pre-wrap;
  z-index: 20;
}

#screen, #canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
}
#screen { background: #000; }
#canvas { background: transparent; z-index: 1; }

#fullscreen {
  position: fixed;
  top: 12px;
  right: 12px;
  z-index: 30;
  padding: 8px 12px;
  border: 1px solid #ffffff55;
  border-radius: 6px;
  background: #0009;
  color: white;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  opacity: 0.45;
}
#fullscreen:hover, #fullscreen:focus-visible { opacity: 1; }

/* Launch directly into the game; retain the independent error overlay. */
#boot { display: none !important; }